\tracingonline=2
\tracingcommands=2
\tracingmacros=2
\tracingrestores=2

\showthe\hfuzz
\showthe\vfuzz
\showthe\overfullrule
\showthe\emergencystretch
\showthe\hsize
\showthe\vsize
\showthe\maxdepth
\showthe\splitmaxdepth
\showthe\boxmaxdepth
\showthe\lineskiplimit
\showthe\delimitershortfall
\showthe\nulldelimiterspace
\showthe\scriptspace
\showthe\mathsurround
\showthe\predisplaysize
\showthe\displaywidth
\showthe\displayindent
\showthe\parindent
\showthe\hangindent
\showthe\hoffset
\showthe\voffset

\hfuzz=145.5pt
\vfuzz=145.5pt
\overfullrule=145.5pt
\emergencystretch=145.5pt
\hsize=145.5pt
\vsize=145.5pt
\maxdepth=145.5pt
\splitmaxdepth=145.5pt
\boxmaxdepth=145.5pt
\lineskiplimit=145.5pt
\delimitershortfall=145.5pt
\nulldelimiterspace=145.5pt
\scriptspace=145.5pt
\mathsurround=145.5pt
\predisplaysize=145.5pt
\displaywidth=145.5pt
\displayindent=145.5pt
\parindent=145.5pt
\hangindent=145.5pt
\hoffset=145.5pt
\voffset=145.5pt

\showthe\hfuzz
\showthe\vfuzz
\showthe\overfullrule
\showthe\emergencystretch
\showthe\hsize
\showthe\vsize
\showthe\maxdepth
\showthe\splitmaxdepth
\showthe\boxmaxdepth
\showthe\lineskiplimit
\showthe\delimitershortfall
\showthe\nulldelimiterspace
\showthe\scriptspace
\showthe\mathsurround
\showthe\predisplaysize
\showthe\displaywidth
\showthe\displayindent
\showthe\parindent
\showthe\hangindent
\showthe\hoffset
\showthe\voffset

\showthe\hangindent

\hangindent=145.5pt
\showthe\hangindent
\showthe\hangindent

\showthe\hangindent

\end
